The Chinese cultural bureaucracy has approved the demolition of the historic home of a U. Pennsylvania educated couple who were early advocates of cultural preservation within China. See http://www.nytimes.com/2012/02/05/world/asia/in-beijing-razing-of-historic-house-stirs-outrage.html?_r=1&scp=1&sq=cultlural%20relics&st=cse The home had previously been designated an official "cultural relic."
One of the loudest critics of American collectors has asserted it is "none of our business" how the Chinese treat their cultural patrimony. See http://culturalpropertyobserver.blogspot.com/2012/02/us-state-department-helps-ship-auction.html
But, if so, perhaps it's not really about conservation, but control, as far as the archaeological community is concerned.